AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 4080

Comparative analysis of AMD Radeon RX 7900 XT and NVIDIA GeForce RTX 4080 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G2D Mark, PassMark - G3D Mark, 3DMark Fire Strike - Graphics Score, Geekbench - OpenCL, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD Radeon RX 7900 XT

NVIDIA GeForce RTX 4080

Differences

Reasons to consider the AMD Radeon RX 7900 XT

Videocard is newer: launch date 1 month(s) later
Around 6% higher texture fill rate: 804.4 GTexel/s vs 761.5 GTexel/s
Around 7% lower typical power consumption: 300 Watt vs 320 Watt
Around 25% higher maximum memory size: 20 GB vs 16 GB
Around 79% higher memory clock speed: 2500 MHz, 20 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Around 18% better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 320.733 vs 272.641

Specifications (specs)
Launch date	3 Nov 2022 vs 20 Sep 2022
Texture fill rate	804.4 GTexel/s vs 761.5 GTexel/s
Thermal Design Power (TDP)	300 Watt vs 320 Watt
Maximum memory size	20 GB vs 16 GB
Memory clock speed	2500 MHz, 20 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Benchmarks
CompuBench 1.5 Desktop - Video Composition (Frames/s)	320.733 vs 272.641

Reasons to consider the NVIDIA GeForce RTX 4080

Around 47% higher core clock speed: 2205 MHz vs 1500 MHz
Around 5% higher boost clock speed: 2505 MHz vs 2394 MHz
Around 81% higher pipelines: 9728 vs 5376
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm
Around 3% better performance in PassMark - G2D Mark: 1233 vs 1200
Around 20% better performance in PassMark - G3D Mark: 34559 vs 28874
Around 17% better performance in 3DMark Fire Strike - Graphics Score: 6556 vs 5620
Around 42% better performance in Geekbench - OpenCL: 240202 vs 169604
2.1x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 722.769 vs 343.519
Around 21% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 72.795 vs 60.185

Specifications (specs)
Core clock speed	2205 MHz vs 1500 MHz
Boost clock speed	2505 MHz vs 2394 MHz
Pipelines	9728 vs 5376
Manufacturing process technology	4 nm vs 5 nm
Benchmarks
PassMark - G2D Mark	1233 vs 1200
PassMark - G3D Mark	34559 vs 28874
3DMark Fire Strike - Graphics Score	6556 vs 5620
Geekbench - OpenCL	240202 vs 169604
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	722.769 vs 343.519
CompuBench 1.5 Desktop - T-Rex (Frames/s)	72.795 vs 60.185

Compare benchmarks

GPU 1: AMD Radeon RX 7900 XT
GPU 2: NVIDIA GeForce RTX 4080

PassMark - G2D Mark

GPU 1

GPU 2

1200

1233

PassMark - G3D Mark

GPU 1

GPU 2

28874

34559

3DMark Fire Strike - Graphics Score

GPU 1

GPU 2

5620

6556

Geekbench - OpenCL

GPU 1

GPU 2

169604

240202

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

GPU 1

GPU 2

343.519

722.769

CompuBench 1.5 Desktop - T-Rex (Frames/s)

GPU 1

GPU 2

60.185

72.795

CompuBench 1.5 Desktop - Video Composition (Frames/s)

GPU 1

GPU 2

320.733

272.641

Name	AMD Radeon RX 7900 XT	NVIDIA GeForce RTX 4080
PassMark - G2D Mark	1200	1233
PassMark - G3D Mark	28874	34559
3DMark Fire Strike - Graphics Score	5620	6556
Geekbench - OpenCL	169604	240202
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	343.519	722.769
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	12483.531
CompuBench 1.5 Desktop - T-Rex (Frames/s)	60.185	72.795
CompuBench 1.5 Desktop - Video Composition (Frames/s)	320.733	272.641
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	2714.187

Compare specifications (specs)

	AMD Radeon RX 7900 XT	NVIDIA GeForce RTX 4080
Essentials
Architecture	RDNA 3.0	Ada Lovelace
Code name	Navi 31	AD103
Launch date	3 Nov 2022	20 Sep 2022
Place in performance rating	16	13
Technical info
Boost clock speed	2394 MHz	2505 MHz
Compute units	84
Core clock speed	1500 MHz	2205 MHz
Manufacturing process technology	5 nm	4 nm
Peak Double Precision (FP64) Performance	3.218 TFLOPS (1:16)	761.5 GFLOPS (1:64)
Peak Half Precision (FP16) Performance	103.0 TFLOPS (2:1)	48.74 TFLOPS (1:1)
Peak Single Precision (FP32) Performance	51.48 TFLOPS	48.74 TFLOPS
Pipelines	5376	9728
Pixel fill rate	459.6 GPixel/s	280.6 GPixel/s
Texture fill rate	804.4 GTexel/s	761.5 GTexel/s
Thermal Design Power (TDP)	300 Watt	320 Watt
Transistor count	57700 million	45900 million
Video outputs and ports
Display Connectors	1x HDMI 2.1a, 2x DisplayPort 2.1, 1x USB Type-C	1x HDMI 2.1, 3x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Dual-slot	Triple-slot
Height	51 mm, 2 inches	61 mm, 2.4 inches
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	276 mm, 10.9 inches	310 mm, 12.2 inches
Recommended system power (PSU)	700 Watt	700 Watt
Supplementary power connectors	2x 8-pin	1x 16-pin
Width	135 mm, 5.3 inches	140 mm, 5.5 inches
API support
DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenCL	2.1	3.0
OpenGL	4.6	4.6
Shader Model	6.7	6.7
Vulkan
Memory
Maximum RAM amount	20 GB	16 GB
Memory bandwidth	800.0 GB/s	716.8 GB/s
Memory bus width	320 bit	256 bit
Memory clock speed	2500 MHz, 20 Gbps effective	1400 MHz, 22.4 Gbps effective
Memory type	GDDR6	GDDR6X